HT82M98A datasheet(1/7 Pages) HOLTEK

Part #	HT82M98A

Description	3-Key 3D USBPS/2 Mouse Controller

PDF	7 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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1 / 7 page

HT82M98A

3-Key 3D USB+PS/2 Mouse Controller

Block Diagram

Rev. 2.00

1

October 31, 2006

Features

· Operating voltage: 4.4V~5.25V

· Complete Universal Serial Bus specs V1.1

compatibility

· Serial Bus Interface Engine (SIE)

· USB transceiver

· Microsoft 3D Intelli mouse and IBM PS/2 mouse

compatible

· Supports three buttons (R, M, L) and three axes

(X, Y, Z) input

· Z axis can only support encoder which divided by 2

· Single chip solution especially for USB mouse

function

· HALT function and wake-up feature reduce power

consumption

· Plug and Play functions

· Minimal external components

· 6MHz crystal oscillator for system clock

· 18/20-pin DIP package

General Description

HT82M98A is a 3D mouse controller especially de-

signed for USB and PS/2 applications. The HT82M98A

can support the USB Standard Request as well as HID

Class Request version 1.1. It is compatible with

Microsoft Intelli 3D PS/2 mouse. The X/Y axis photo in-

put with built-in Holtek

¢s special dynamic photo-input re-

sistor and Z axis can support two kinds of scroller input,

namely; optomechanical and mechanical. It requires

minimal external components to implement 3D USB

plus PS/2 mouse. It can be briefly described as a Holtek

8-bit MCU with an on-chip USB interface logic. The

USB is specified by the

Universal Serial Bus Specifica-

tion V1.1.

U S B

T r a n s c e i v e r

U S B

R e c e i v e r

U S B

T r a n s m i t t e r

V o l t a g e

R e g u l a t o r

C l o c k

G e n e r a t o r

R C

R E S E T

R e g i s t e r

S e t

U S B S e r i a l

I n t e r f a c e E n g i n e

( S I E )

a n d

C o n t r o l

L o g i c

M a i n

S t a t e m a c h i n e

S u s p e n s i o n

C o n t r o l

H o l t e k

8 - b i t

M i c r o c o n t r o l l e r

F I F O s ´ 2

U S B D +

U S B D -

V 3 3 O

O S C 1

O S C 2

V D D

V S S

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HT82M98A Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

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